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Title: GH-143948: Explain graphlib's cycle-finding code by tim-one · Pull Request #143950 · python/cpython · GitHub

Open Graph Title: GH-143948: Explain graphlib's cycle-finding code by tim-one · Pull Request #143950 · python/cpython

X Title: GH-143948: Explain graphlib's cycle-finding code by tim-one · Pull Request #143950 · python/cpython

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Open Graph Description: gh-143948: Explain graphlib's cycle-finding code Long overdue comments explaining what's going on, and why. No code changes, just comments.

X Description: gh-143948: Explain graphlib's cycle-finding code Long overdue comments explaining what's going on, and why. No code changes, just comments.

Opengraph URL: https://github.com/python/cpython/pull/143950

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Explain topsort's cycle-finding algorithm, and why it's written that way.https://patch-diff.githubusercontent.com/python/cpython/pull/143950/commits/5d2bdb4c542105137d8968289d18c33ee82b1a70
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